1.6.5 Table Rules & Triggers Development

LANSA recommends that rules and triggers be defined at the table level in the Repository. As an introduction to rules and triggers, review the following topics:

Rule Concepts

Rule Types

Rule Hierarchy

Understanding Rule Sequence

What is Database Referential Integrity?

Triggers

Trigger Points - When

Trigger Conditions - If

Trigger Functions

Trigger Design Considerations

LANSA Database Triggers

You may also wish to review Field Rules and Triggers Development.

Also See

Rules and Triggers in the Technical Reference

Table Rules and Triggers Tab in Visual LANSA User Guide.

REP007 - Table Validation Rules/Triggers in the Repository Tutorial.